{"id":"https://openalex.org/keywords/axial-diffusivity","display_name":"axial diffusivity","description":"A measure of how readily molecules diffuse parallel to a principal direction, especially in diffusion tensor imaging and anisotropic materials.","display_name_alternatives":["axial diffusion coefficient","longitudinal diffusivity","parallel diffusivity","AD"],"ids":{"openalex":"https://openalex.org/keywords/axial-diffusivity","wikidata":null},"primary_topic":{"id":"https://openalex.org/T11304","display_name":"Advanced Neuroimaging Techniques and Applications","score":0.4735,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11304","display_name":"Advanced Neuroimaging Techniques and Applications","score":0.4735,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"works_count":1962,"cited_by_count":59900,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/axial-diffusivity","updated_date":"2026-10-22T04:07:25","created_date":"2022-04-12T19:38:12"}